Machine fob washing sand



L. M. SPEER.

' Ore Washer. No; 33,108. Patented Aug. 20, 1861.

nnrrnn %TATE% ra rnnr orricn I M SPEER, OF BELLE VERNON, PENNSYLVANIA.

IMACI-IINE FOR WASHING SAND.

Specification forming part of Letters Patent No. 83,108, dated August 20, 1861; Reissued May 31,

T 0 all whom it may concern:

Be it known that I, L. M. Srnnn, of Bell Vernon, in the county of Fayette and State of Pennsylvania, have invented a new and useful Improvement in Machines for lVashing Sand for Making lVindowGlass; and I do hereby declare that the following is a full, clear, and exact description of the same, reference being had to the accompanying drawings, forming part of this specification, in which Figure l is a perspective view of my improved machine. Fig. 2, a vertical transverse section in the line a, :0, of Fig. 1-and Fig. 3, a vertical transverse section in the line 3 3/, of Fig. 1.

Similar letters of reference in each of the several figures indicate corresponding parts.

The nature of my invention consists in an arrangement of means substantially as hereinafter described for imparting to the sand a continuously undulating motion while it is being subjected to the action of flowing streams of water.

To enable others skilled in the art to make and use my invention I will proceed to describe it with reference to the drawings.

A, A, A, A, represent a series of boxes arranged on the same plane along side one another. Each of these boxes has a flow off passage (0, formed in the top edge of its back board.

B, B, B, B, are a series of inclined screw elevators arranged in the boxes A, A, A, A, and revolving in inclined gutters C, C, C, C, which are placed centrally in the boxes as shown.

E, E, are stops, placed at the lower end, on opposite sides of the several gutters which succeed the first. They are for retaining the sand at the front ends of the boxes. The stop E, is set inclined and E, vertically.

G, G, G, are diagonal sluices connecting the several boxes A, and the several gutters C, shown. These sluices incline downward slightly from the rear to the front of the boxes, and have bevel offsets I), b, on their opposite inner sides for the purpose of breaking the direct course of the stream of water and sand passing through the sluices.

H, is a hollow trunk for containing the body of water flowing from the head or source. From the front side of this trunk a series of branches H, H, H, extend in an oblique direction and unite with the sluices G, as shown.

(.1, c, are gates in the branches for regulating the How of water from the trunk.

i, is a stationary hopper, arranged over the front end of the first of the series of boxes. Under this hopper a screen is suspended; said screen having a vibrating motion imparted to it, when the machine is in operation, through a pitman J.

K is a branch leading from the trunk H, to the interior of the hopper for the purpose of admitting a stream of water to the sand as it is passing into the hopper. A gate d, is provided in the branch for regulating the flow of water.

L, is the driving shaft of the machine. It carries a pulley M, bevel wheels N, N, N, N, and a spur wheel 0, said bevel wheels gearing into similar bevel wheels P, P, P, P, on the upper ends of the screws, and the spur wheel gearing into a pinion Q, 011 the pitman crank shaft R, as shown.

The operation is as follows: The machine being set in motion and the gates of the branches of the trunk H, opened, sand is introduced into the hopper and there subjected to the action of a stream of water. From the hopper the sand falls in a partially washed condition upon the vibrating screen. From the screen it falls free of gravel into the first box of the series and from said box is elevated by the first of the series of screws to the top of the box and deposited in the first diagonal sluice of the ser1eshere it is met by a flowing stream of water from the trunk H, and forced thereby through the serpentine passage of the sluice into the second box of the seriesdepositing itself at the front end of the box and being retained there by the stops E, E. From the second box it is taken and elevated by the second screw of the series to the top of the box and deposited in the second sluice of the series from which it is forced by a stream of water from the trunk H into a third box of the series. Thus the operation of lifting the sand from one box to another and subjecting it to a washing action continues until it arrives at the discharge spout of the last box of the series, when it falls into a receiver. It must here be observed that while the sand is being lifted from one box and deposited into another the muddy water flows off from the several boxes through passages a, a, and

therefore the sand When discharged into the receiver is pretty thoroughly Washed and deprived of foreign substances.

That I claim as my invention and desire 5 to secure by Letters Patent, is

The combination of inclined screw elevators B, and sluices G, With the boxes A, arranged and operating in the manner substantially as described, for the purpose of giving the sand a continuously undulating 10 motion While subjected to the action ofthe current of Water as set forth.

L. M. SPEER.

Witnesses:

JOHN B. GAULD, JOHN POWER, Jr. 

